WID-SEC-W-2023-1091

Vulnerability from csaf_certbund - Published: 2022-02-15 23:00 - Updated: 2023-04-27 22:00
Summary
Zyxel Firewall Produkte: Mehrere Schwachstellen
Severity
Kritisch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Zyxel ist ein Hersteller von Netzwerkkomponenten, u.a. von Firewalls.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Zyxel Firewall Produkten ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, seine Privilegien zu erweitern und einen Cross-Site-Scripting-Angriff durchzuführen.
Betroffene Betriebssysteme: - Appliance
CVE-2023-28770
Affected products
Product Identifier Version Remediation
Zyxel Firewall VPN2S
Zyxel
 cpe:/h:zyxel:firewall:vpn2s —
CVE-2023-28769
Affected products
Known affected 1 product, the same list as for CVE-2023-28770
CVE-2022-45440
Affected products
Known affected 1 product, the same list as for CVE-2023-28770
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "kritisch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Zyxel ist ein Hersteller von Netzwerkkomponenten, u.a. von Firewalls.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Zyxel Firewall Produkten ausnutzen, um beliebigen Code auszuf\u00fchren, Sicherheitsma\u00dfnahmen zu umgehen, vertrauliche Informationen offenzulegen, seine Privilegien zu erweitern und einen Cross-Site-Scripting-Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Appliance",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2023-1091 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2023-1091.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1091 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1091"
      },
      {
        "category": "external",
        "summary": "Zyxel Security Advisory vom 2022-02-15",
        "url": "https://www.zyxel.com/support/Zyxel-security-advisory-for-multiple-vulnerabilities.shtml"
      },
      {
        "category": "external",
        "summary": "Zyxel Security Advisory vom 2022-02-15",
        "url": "https://www.zyxel.com/support/Zyxel-security-advisory-for-multiple-vulnerabilities_Products.shtml"
      },
      {
        "category": "external",
        "summary": "Poc\u0027s auf CxSecurity vom 2022-02-15",
        "url": "https://cxsecurity.com/issue/WLB-2022020083"
      }
    ],
    "source_lang": "en-US",
    "title": "Zyxel Firewall Produkte: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2023-04-27T22:00:00.000+00:00",
      "generator": {
        "date": "2026-07-16T16:45:41.344+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2023-1091",
      "initial_release_date": "2022-02-15T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2022-02-15T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2022-02-17T23:00:00.000+00:00",
          "number": "2",
          "summary": "Exploit aufgenommen"
        },
        {
          "date": "2023-04-27T22:00:00.000+00:00",
          "number": "3",
          "summary": "CVE Nummern erg\u00e4nzt"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Zyxel Firewall VPN2S",
            "product": {
              "name": "Zyxel Firewall VPN2S",
              "product_id": "T020523",
              "product_identification_helper": {
                "cpe": "cpe:/h:zyxel:firewall:vpn2s"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Zyxel"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-28770",
      "product_status": {
        "known_affected": [
          "T020523"
        ]
      },
      "release_date": "2022-02-15T23:00:00.000+00:00",
      "title": "CVE-2023-28770"
    },
    {
      "cve": "CVE-2023-28769",
      "product_status": {
        "known_affected": [
          "T020523"
        ]
      },
      "release_date": "2022-02-15T23:00:00.000+00:00",
      "title": "CVE-2023-28769"
    },
    {
      "cve": "CVE-2022-45440",
      "product_status": {
        "known_affected": [
          "T020523"
        ]
      },
      "release_date": "2022-02-15T23:00:00.000+00:00",
      "title": "CVE-2022-45440"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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